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path: root/ANDROID_3.4.5/sound/pci/emu10k1/emu10k1_patch.c
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Diffstat (limited to 'ANDROID_3.4.5/sound/pci/emu10k1/emu10k1_patch.c')
-rw-r--r--ANDROID_3.4.5/sound/pci/emu10k1/emu10k1_patch.c229
1 files changed, 0 insertions, 229 deletions
diff --git a/ANDROID_3.4.5/sound/pci/emu10k1/emu10k1_patch.c b/ANDROID_3.4.5/sound/pci/emu10k1/emu10k1_patch.c
deleted file mode 100644
index e10f027b..00000000
--- a/ANDROID_3.4.5/sound/pci/emu10k1/emu10k1_patch.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/*
- * Patch transfer callback for Emu10k1
- *
- * Copyright (C) 2000 Takashi iwai <tiwai@suse.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-/*
- * All the code for loading in a patch. There is very little that is
- * chip specific here. Just the actual writing to the board.
- */
-
-#include "emu10k1_synth_local.h"
-
-/*
- */
-#define BLANK_LOOP_START 4
-#define BLANK_LOOP_END 8
-#define BLANK_LOOP_SIZE 12
-#define BLANK_HEAD_SIZE 32
-
-/*
- * allocate a sample block and copy data from userspace
- */
-int
-snd_emu10k1_sample_new(struct snd_emux *rec, struct snd_sf_sample *sp,
- struct snd_util_memhdr *hdr,
- const void __user *data, long count)
-{
- int offset;
- int truesize, size, loopsize, blocksize;
- int loopend, sampleend;
- unsigned int start_addr;
- struct snd_emu10k1 *emu;
-
- emu = rec->hw;
- if (snd_BUG_ON(!sp || !hdr))
- return -EINVAL;
-
- if (sp->v.size == 0) {
- snd_printd("emu: rom font for sample %d\n", sp->v.sample);
- return 0;
- }
-
- /* recalculate address offset */
- sp->v.end -= sp->v.start;
- sp->v.loopstart -= sp->v.start;
- sp->v.loopend -= sp->v.start;
- sp->v.start = 0;
-
- /* some samples have invalid data. the addresses are corrected in voice info */
- sampleend = sp->v.end;
- if (sampleend > sp->v.size)
- sampleend = sp->v.size;
- loopend = sp->v.loopend;
- if (loopend > sampleend)
- loopend = sampleend;
-
- /* be sure loop points start < end */
- if (sp->v.loopstart >= sp->v.loopend) {
- int tmp = sp->v.loopstart;
- sp->v.loopstart = sp->v.loopend;
- sp->v.loopend = tmp;
- }
-
- /* compute true data size to be loaded */
- truesize = sp->v.size + BLANK_HEAD_SIZE;
- loopsize = 0;
-#if 0 /* not supported */
- if (sp->v.mode_flags & (SNDRV_SFNT_SAMPLE_BIDIR_LOOP|SNDRV_SFNT_SAMPLE_REVERSE_LOOP))
- loopsize = sp->v.loopend - sp->v.loopstart;
- truesize += loopsize;
-#endif
- if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_NO_BLANK)
- truesize += BLANK_LOOP_SIZE;
-
- /* try to allocate a memory block */
- blocksize = truesize;
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS))
- blocksize *= 2;
- sp->block = snd_emu10k1_synth_alloc(emu, blocksize);
- if (sp->block == NULL) {
- snd_printd("emu10k1: synth malloc failed (size=%d)\n", blocksize);
- /* not ENOMEM (for compatibility with OSS) */
- return -ENOSPC;
- }
- /* set the total size */
- sp->v.truesize = blocksize;
-
- /* write blank samples at head */
- offset = 0;
- size = BLANK_HEAD_SIZE;
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS))
- size *= 2;
- if (offset + size > blocksize)
- return -EINVAL;
- snd_emu10k1_synth_bzero(emu, sp->block, offset, size);
- offset += size;
-
- /* copy start->loopend */
- size = loopend;
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS))
- size *= 2;
- if (offset + size > blocksize)
- return -EINVAL;
- if (snd_emu10k1_synth_copy_from_user(emu, sp->block, offset, data, size)) {
- snd_emu10k1_synth_free(emu, sp->block);
- sp->block = NULL;
- return -EFAULT;
- }
- offset += size;
- data += size;
-
-#if 0 /* not suppported yet */
- /* handle reverse (or bidirectional) loop */
- if (sp->v.mode_flags & (SNDRV_SFNT_SAMPLE_BIDIR_LOOP|SNDRV_SFNT_SAMPLE_REVERSE_LOOP)) {
- /* copy loop in reverse */
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS)) {
- int woffset;
- unsigned short *wblock = (unsigned short*)block;
- woffset = offset / 2;
- if (offset + loopsize * 2 > blocksize)
- return -EINVAL;
- for (i = 0; i < loopsize; i++)
- wblock[woffset + i] = wblock[woffset - i -1];
- offset += loopsize * 2;
- } else {
- if (offset + loopsize > blocksize)
- return -EINVAL;
- for (i = 0; i < loopsize; i++)
- block[offset + i] = block[offset - i -1];
- offset += loopsize;
- }
-
- /* modify loop pointers */
- if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_BIDIR_LOOP) {
- sp->v.loopend += loopsize;
- } else {
- sp->v.loopstart += loopsize;
- sp->v.loopend += loopsize;
- }
- /* add sample pointer */
- sp->v.end += loopsize;
- }
-#endif
-
- /* loopend -> sample end */
- size = sp->v.size - loopend;
- if (size < 0)
- return -EINVAL;
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS))
- size *= 2;
- if (snd_emu10k1_synth_copy_from_user(emu, sp->block, offset, data, size)) {
- snd_emu10k1_synth_free(emu, sp->block);
- sp->block = NULL;
- return -EFAULT;
- }
- offset += size;
-
- /* clear rest of samples (if any) */
- if (offset < blocksize)
- snd_emu10k1_synth_bzero(emu, sp->block, offset, blocksize - offset);
-
- if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_NO_BLANK) {
- /* if no blank loop is attached in the sample, add it */
- if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_SINGLESHOT) {
- sp->v.loopstart = sp->v.end + BLANK_LOOP_START;
- sp->v.loopend = sp->v.end + BLANK_LOOP_END;
- }
- }
-
-#if 0 /* not supported yet */
- if (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_UNSIGNED) {
- /* unsigned -> signed */
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS)) {
- unsigned short *wblock = (unsigned short*)block;
- for (i = 0; i < truesize; i++)
- wblock[i] ^= 0x8000;
- } else {
- for (i = 0; i < truesize; i++)
- block[i] ^= 0x80;
- }
- }
-#endif
-
- /* recalculate offset */
- start_addr = BLANK_HEAD_SIZE * 2;
- if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS))
- start_addr >>= 1;
- sp->v.start += start_addr;
- sp->v.end += start_addr;
- sp->v.loopstart += start_addr;
- sp->v.loopend += start_addr;
-
- return 0;
-}
-
-/*
- * free a sample block
- */
-int
-snd_emu10k1_sample_free(struct snd_emux *rec, struct snd_sf_sample *sp,
- struct snd_util_memhdr *hdr)
-{
- struct snd_emu10k1 *emu;
-
- emu = rec->hw;
- if (snd_BUG_ON(!sp || !hdr))
- return -EINVAL;
-
- if (sp->block) {
- snd_emu10k1_synth_free(emu, sp->block);
- sp->block = NULL;
- }
- return 0;
-}
-
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